<!DOCTYPE html>
<script src="../../../resources/js-test.js"></script>
<script>
onload = function() {
    thirdProgress.appendChild(firstProgress);
    document.normalize();
}
</script>
<details>
  <summary>
    <progress id="firstProgress">
      <progress></progress>
    </progress>
  </summary>
  <progress id="thirdProgress"></progress>
</details>
<script>
description("crbug.com/413207: test if distribution is solved when normalize. This test passes if run the test with debug binary and no assertion error occurs.");
</script>
